15-15HS Max

15-15HS Max is an austenitic, nitrogen-strengthened stainless steel with a low carbon content that provides improved resistance to intergranular stress-corrosion cracking. In addition, nickel, chromium, nitrogen, manganese and molybdenum are controlled to enhance the resistance to transgranular attack stress-corrosion cracking and pitting. Can be considered for applications requiring high strength 140 ksi (966 MPa) minimum yield strength.

Type Analysis

  • Carbon (Maximum) 0.04
  • Phosphorus (Maximum) 0.05
  • Silicon (Maximum) 0.5
  • Nickel (Nominal) 3.5
  • Manganese (Maximum) 18
  • Sulfur (Maximum) 0.05
  • Chromium (Nominal) 19
  • Molybdenum (Nominal) 3
  • Iron (Nominal) Balance
  • Nitrogen (Nominal) 0.7

Applications

nonmagnetic drill collars, stabilizers, and MWD housings

Applicable Specifications

Bar

Hollow Bar

Multidimensional Bar

Rounds

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